255252331 has 16 divisors (see below), whose sum is σ = 273736800. Its totient is φ = 237178368.

The previous prime is 255252269. The next prime is 255252391. The reversal of 255252331 is 133252552.

It is a cyclic number.

It is not a de Polignac number, because 255252331 - 2¹¹ = 255250283 is a prime.

It is a super-2 number, since 2×255252331² = 130307504961867122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255252331.

It is not an unprimeable number, because it can be changed into a prime (255252391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673300 + ... + 673678.

It is an arithmetic number, because the mean of its divisors is an integer number (17108550).

Almost surely, 2^255252331 is an apocalyptic number.

255252331 is a deficient number, since it is larger than the sum of its proper divisors (18484469).

255252331 is a wasteful number, since it uses less digits than its factorization.

255252331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its digits is 9000, while the sum is 28.

The square root of 255252331 is about 15976.6182591937. The cubic root of 255252331 is about 634.3416666899.

The spelling of 255252331 in words is "two hundred fifty-five million, two hundred fifty-two thousand, three hundred thirty-one".